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Fav十万个为什么
为什么大部分人视力会逐渐下降呢？
大部分人视力会逐渐下降，主要与以下几个原因有关：
1、年龄增长与晶状体老化：随着年龄的增长，眼睛的晶状体逐渐失去弹性，调节能力下降，导致老花眼等视力问题。这是视力下降的自然生理过程。
2、长时间近距离用眼：现代生活中，人们长时间使用电子设备、阅读等近距离用眼活动，导致眼睛疲劳，容易引发近视等视力问题。
3、疾病与遗传因素：一些眼部疾病，如白内障、青光眼等，以及遗传因素，也可能导致视力下降。这些疾病和遗传因素会影响眼睛的结构和功能，进而影响视力。
总结：大部分人视力逐渐下降是年龄增长、长时间近距离用眼、疾病和遗传因素共同作用的结果。这些因素导致眼睛结构和功能发生变化，进而影响视力。
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